<template>
  <div class="goods-list">
    <!-- 在网页中有两种跳转方式： -->
    <!-- 方式1：使用 a 标签的形式，标签式导航 -->
    <!-- 方式2：使用 window.location.href 的形式，编程式导航 -->
    <!-- <router-link class="goods-item" v-for="(item, index) in goodsList" :key="index" :to="'/goods/details/'+item.id" tag="div">
      <img :src="item.img_url">
      <h1 class="title">{{ item.title }}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{ item.sell_price }}</span>
          <span class="old">￥{{ item.market_price }}</span>
        </p>
        <p class="sell">
          <span>热卖中</span>
          <span>剩余{{ item.stock_quantity }}件</span>
        </p>
      </div>
    </router-link> -->
    <div class="goods-item" v-for="(item, index) in goodsList" :key="index">
      <img :src="item.img_url" @click="goDetails(item._id)">
      <h1 class="title">{{ item.title }}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{ item.sell_price }}</span>
          <span class="old">￥{{ item.market_price }}</span>
        </p>
        <p class="sell">
          <span>热卖中</span>
          <span>剩余{{ item.stock_quantity }}件</span>
        </p>
      </div>
    </div>
    <mt-button type="danger" size="large" plain @click="getMoreGoods">加载更多</mt-button>
  </div>
</template>

<script>
import { Toast } from "mint-ui";
export default {
  data() {
    return {
      pageIndex: 1,
      goodsList: []
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      // 获取商品列表数据
      this.$http
        .get("getgoodslist?pageindex=" + this.pageIndex)
        .then(result => {
          if (result.status === 200)
            this.goodsList = this.goodsList.concat(result.body);
          else Toast("商品列表加载失败");
        });
    },
    getMoreGoods() {
      this.pageIndex++;
      this.getGoodsList();
    },
    goDetails(id) {
      // 使用 JS 的形式进行路由导航
      // 注意:区分 this.$route 和 this.$router
      // this.$route： 路由参数对象，所有的路由中的参数都属于它(params query 等)
      // this.$router：是一个路由导航对象，用它可以方便的使用JS代码实现路由的前进、后退、跳转到新的URL地址
      // 1.传递字符串
      // this.$router.push("/goods/details/" + id);
      // 2.传递对象
      // this.$router.push({ path: "/goods/details/" + id });
      // 3.传递命名的路由
      this.$router.push({ name: "goodsDetails", params: { id } });
    }
  }
};
</script>

<style lang="scss" scoped>
.goods-list {
  display: flex;
  flex-wrap: wrap;
  padding: 7px;
  justify-content: space-between;
  .goods-item {
    width: 49%;
    border: 1px solid #ccc;
    box-shadow: 0 0 8px #ccc;
    margin: 4px 0;
    padding: 2px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 293px;
    img {
      width: 100%;
    }
    .title {
      font-size: 14px;
    }
    .info {
      background-color: #eee;
      p {
        margin: 0;
        padding: 5px;
      }
      .price {
        .now {
          color: red;
          font-weight: bold;
          font-size: 16px;
        }
        .old {
          text-decoration: line-through;
          font-size: 12px;
          margin-left: 10px;
        }
      }
      .sell {
        display: flex;
        justify-content: space-between;
        font-size: 13px;
      }
    }
  }
}
</style>
